5-amino-2,3-di-O-acetyl-4,5-dideoxy-D-threo-pentono-1,5-lactam

N-benzyloxycarbonyl-1,5-imino-1,4,5-trideoxy-3-O-(β-D-xylopyranosyl)-D-threo-pentitol

3-O-(tri-O-acetyl-β-D-xylopyranosyl)-2-O-benzoyl-N-benzyloxycarbonyl-1,5-imino-1,4,5-trideoxy-D-threo-pentitol

(3R,4R)-(+)-trans-1-benzyloxycarbonyl-3,4-dihydroxypiperidine

1,5-imino-1,4,5-trideoxy-3-O-(β-D-xylopyranosyl)-D-threo-pentitol